@article{MAN_1967__173_161596,
     author = {Gerhard Burde},
     title = {Darstellungen von {Knotengruppen}},
     journal = {Mathematische Annalen},
     pages = {24--33},
     publisher = {mathdoc},
     volume = {173},
     year = {1967},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__173_161596/}
}